SELECT DISTINCT patent.*, YEAR(date) as year FROM patent LEFT JOIN category ON category.patent = patent.patent AND category.type = patent.type WHERE (category.class = '285') AND (category.subclass = '360') ORDER BY patent ASC, type |
Total of 1 patents found where: Class is '285'; Subclass is '360';
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T / S | Patent | Date | Description | Patentee | Category | Assigned To |
1876 | ||||||
U | 176,769 | May 2, 1876 | Improvement in Lightning Rod Couplings Lightning rod connector made of solid metal fitting snugly inside each end of the tubular rod and secured with pins |
BRADLEY, Sylvester |
Lightning Rod Coupling |
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